Hepmc3 nightly fixes 25112020 part 3

...CID_Cnv/LUCID_EventTPCnv/test/LUCID_SimHitCnv_p1_test.cxx

...CID_Cnv/LUCID_EventTPCnv/test/LUCID_SimHitCnv_p2_test.cxx

...ntAthenaPool/test/InDetSimDataCollectionCnv_common_test.h

...tector/InDetRawAlgs/InDetOverlay/test/TRTOverlay_test.cxx

...nstruction/MissingETPerformance/src/FakeMissingETTool.cxx

...ction/MissingETPerformance/src/SplitElectronContainer.cxx

...uthTPCnv/test/TrackParticleTruthCollectionCnv_p1_test.cxx

...uthTPCnv/test/TrackParticleTruthCollectionCnv_p2_test.cxx

...rkTruthTPCnv/test/PRD_MultiTruthCollectionCnv_p2_test.cxx

...rkTruthTPCnv/test/PRD_MultiTruthCollectionCnv_p3_test.cxx

...nv/TrkTruthTPCnv/test/TrackTruthCollectionCnv_p1_test.cxx

...nv/TrkTruthTPCnv/test/TrackTruthCollectionCnv_p2_test.cxx

...ventCnv/TrkTruthTPCnv/test/TruthTrajectoryCnv_p1_test.cxx

...ventCnv/TrkTruthTPCnv/test/TruthTrajectoryCnv_p2_test.cxx

...igTruthEventTPCnv/test/TrigInDetTrackTruthCnv_p1_test.cxx

...ruthEventTPCnv/test/TrigInDetTrackTruthMapCnv_p1_test.cxx